error[E0277]: the trait bound `bool: ValueEnum` is not satisfied
   --> tests/derive_ui/bool_value_enum.rs:6:31
    |
6   |     #[clap(short, value_enum, default_value_t)]
    |                               ^^^^^^^^^^^^^^^ the trait `ValueEnum` is not implemented for `bool`
    |
note: required by `to_possible_value`
   --> src/derive.rs
    |
    |     fn to_possible_value<'a>(&self) -> Option<PossibleValue<'a>>;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^